| 2025年 | 2026年 | 平年値 | |
| 9-13 | --- | 28.1 | 27.5 |
| 9-14 | --- | 28.5 | 27.2 |
| 9-15 | --- | 28 | 27.2 |
| 9-16 | --- | 27.9 | 27.4 |
| 9-17 | --- | 27.9 | 27.5 |
| 9-18 | --- | 27.8 | 27.5 |
| 9-19 | --- | 27.5 | 27.3 |
| 9-20 | --- | 27.1 | 27.2 |
| 9-21 | --- | 27 | 26.7 |
| 9-22 | --- | 26.5 | 26.6 |
| 9-23 | --- | 27.2 | 26.5 |
| 9-24 | --- | 27 | 26.5 |
| 9-25 | --- | 27 | 26.3 |
| 9-26 | --- | 27.1 | 26.2 |
| 9-27 | --- | 27.2 | 26.3 |